Clasp for engaging pierced earring post



FIG. 1 is a left side elevational view of a clasp for engaging pierced earring post showing my new design in closed position;

FIG. 2 is a perspective view of the clasp in open position, on an enlarged scale;

FIG. 3 is a rear elevational view;

FIG. 4 is a left side elevational view; and

FIG. 5 is a front elevational view. 

The ornamental design for a clasp for engaging pierced earring post, substantially as shown and described. 